<html>
	<head>
		<title>屏幕对象</title>
		<meta charset="utf-8">
		<script>
			// var screenStr = "<h1>屏幕分辨率</h1>";
			// screenStr += "<br>屏幕宽度：" + screen.width + "，屏幕高度：" + screen.height;
			// screenStr += "<br>有效屏幕宽度：" + screen.availWidth + "，有效屏幕高度" + screen.availHeight;
			// document.write(screenStr);
			// var navStr = "navigator对象";
			// navStr += "<br>浏览器名称：" + navigator.appName + "，核心版本号：" + navigator.appVersion;
			// navStr += "<br/>系统语言：" + navigator.systemLanguage + "，用户语言：" + navigator.userLanguage;
			// navStr += "<br>平台：" + navigator.platform; 
			// document.write(navStr);
			window.setTimeout("location.href=shopping.html", 50000);
			// location.href = "shopping.html";
		</script>
	</head>
	<body>
		<h2>你大爷的</h2>
		<input type="button" value="刷新" onclick="javascript:location.reload(true)">
	</body>
</html>